Understandable electric circuits:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
London
Inst. of Engineering and Technology
2010
|
| Schriftenreihe: | Circuits, devices and systems series
23 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 370 S. Ill., graph. Darst. |
| ISBN: | 9780863419522 |
Internformat
MARC
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| 100 | 1 | |a Wang, Meizhong |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Understandable electric circuits |c Meizhong Wang |
| 264 | 1 | |a London |b Inst. of Engineering and Technology |c 2010 | |
| 300 | |a XII, 370 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Circuits, devices and systems series |v 23 | |
| 650 | 0 | 7 | |a Elektronische Schaltung |0 (DE-588)4113419-9 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Elektronische Schaltung |0 (DE-588)4113419-9 |D s |
| 689 | 0 | |5 DE-604 | |
| 830 | 0 | |a Circuits, devices and systems series |v 23 |w (DE-604)BV035311331 |9 23 | |
| 856 | 4 | 2 | |m Digitalisierung UB Passau - ADAM Catalogue Enrichment |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022496365&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-022496365 | ||
Datensatz im Suchindex
| _version_ | 1804145629512859648 |
|---|---|
| adam_text | Contents
Preface
xiii
I Basic concepts of electric circuits
1
Objectives
1
I
.
I Introduction
1
1.1.1
Why study electric circuits?
1
1.1.2
Careers in electrical, electronic and computer engineering
2
1.1.3
Milestones of electric circuit theory
3
1.2
Electric circuits and schematic diagrams
4
í
.2.1
Basic electric circuits
4
1.2.2
Circuit schematics (diagrams) and symbols
5
1.3
Electric current
8
1.3.1
Current
8
1.3.2
Ammeter
9
1.3.3
The direction of electric current
9
1.4
Electric voltage
10
1.4.1
Voltage/electromotive force
10
1.4.2
Potential difference/voltage
11
1.4.3
Voltmeter
13
1.5
Resistance and Ohm s law
14
1.5.1
Resistor
14
1.5.2
Factors affecting resistance
15
1.5.3
Ohmmeter
16
1.5.4
Conductance
17
1.5.5
Ohm s law
17
1.5.6
Memory aid for Ohm s law
18
1.5.7
The experimental circuit of Ohm s law
19
1.5.8 /-
V characteristic of Ohm1
s
law 1
9
1.
5.9
Conductance form of Ohm s law
20
1
.6
Reference direction of voltage and current
20
1.6.
1 Reference direction of current
20
1.6.2
Reference polarity of voltage
21
1.6.3
Mutually related reference polarity of current/voitage
22
Summary
23
Experiment
1 :
Resistor colour code
25
Conclusion
30
vi
Understandable electric circuits
2
Basic laws of electric circuits
31
Objectives
31
2.1
Power and Energy
3
1
2.1.1
Work
* 31
2.1.2
Energy
32
2.1.3
Power
32
2.1.4
The reference direction of power
34
2.2
Kirchhoff
s
voltage law (KVL)
36
2.2.1
Closed-loop circuit
36
2.2.2
Kirchhoff
s
voltage law (KVL)
36
2.2.3
KVL
#2 38
2.2.4
Experimental circuit of KVL
38
2.2.5
KVL extension
40
2.2.6
The physical property of KVL
41
2.3 Kirchhoffs
current law (KCL)
41
2.3.1
KCL
. #1 41
2.3.2
KCL
#2 41
2.3.3
Physical property of KCL
44
2.3.4
Procedure to solve a complicated problem
44
2.3.5 Supernode 46
2.3.6
Several important circuit terminologies
47
2.4
Voltage source and current source
47
2.4.1
Voltage source
48
2.4.1.1
Ideal voltage source
48
2.4.1.2
Real voltage source
48
2.4.2
Current source
50
2.4.2.1
Ideal current source
50
2.4.2.2
Real current source
52
2.5
international units for circuit quantities
53
2.5.1
International system of units (SI)
53
2.5.2
Metric prefixes (SI prefixes)
54
Summary
55
Experiment
2:
KVL and KCL
57
Conclusion
62
Series—parallel resistive circuits
63
Objectives
63
3.1
Series resistive circuits and voltage-divider rule
63
3.1.1
Series resistive circuits
63
3.1.1.1
Total series voltage
65
3.1.1.2
Total series resistance (or equivalent resistance)
65
3.1.1.3
Series current
66
3.1.1.4
Series power
66
3.1.2
Voltage-divider rule (VDR)
67
3.1.3
Circuit ground
70
Contents
vii
3.2 Parallel
resistive
circuits
and the current-divider rule
71
3.2.1
Parallel resistive circuits
71
3.2.1.1
Parallel voltage
73
3.2.1.2
Parallel current
73
3.2.1.3
Equivalent parallel resistance
74
3.2.1.4
Total parallel power
75
3.2.2
Current-divider rule (CDR)
76
3.3
Series—parallel resistive circuits
79
3.3.1
Equivalent resistance
80
3.3.2
Method for analysing series—parallel circuits
81
3.4
Wye (Y) and delta
(Δ)
configurations and their equivalent
conversions
83
3.4.1
Wye and delta configurations
83
3.4.2
Delta to wye conversion
(Δ—
^Y)
84
3.4.3
Wye to delta conversion
(Υ—>Δ)
86
3.4.3.1
i?Y and
/?д
87
3.4.4
Using
Δ
—
>Y conversion to simplify bridge circuits
89
3.4.5
Balanced bridge
90
3.4.6
Measure unknown resistors using the balanced bridge
91
Summary
92
Experiment
3:
Series—parallel resistive circuits
95
Conclusion
100
Methods of DC circuit analysis
101
Objectives
101
4.1
Voltage source, current source and their equivalent conversions
101
4.1.1
Source equivalent conversion
101
4.1.2
Sources in series and parallel
104
4.1.2.1
Voltage sources in series
104
4.1.2.2
Voltage sources in parallel
105
4.1.2.3
Current sources in parallel
106
4.1.2.4
Current sources in series
107
4.2
Branch current analysis
108
4.2.1
Procedure for applying the branch circuit analysis
109
4.3
Mesh current analysis
1 13
4.3.1
Procedure for applying mesh current analysis
114
4.4
Nodal voltage analysis
1 16
4.4.1
Procedure for applying the node voltage analysis
117
4.5
Node voltage analysis vs. mesh current analysis
і
21
Summary
j
22
Experiment
4:
Mesh current analysis and nodal voltage analysis
123
Conclusion
125
The network theorems
127
Objectives
127
5.1
Superposition theorem
128
5.1.1
Introduction
128
5.1.2
Steps to apply the superposition theorem
128
viii
Understandable
electric
circuits
5.2
Theveiiin s and Norton s theorems
133
5.2.1
Introduction
133
5.2.2
Steps to apply Thevenin s and Norton s theorems
135
5.2.3
Viewpoints of the theorems
139
5.3
Maximum power transfer
147
5.4
Millman s and substitution theorems
151
5.4.1
Millman s theorem
151
5.4.2
Substitution theorem
152
Summary
155
Experiment
5
A: Superposition theorem
156
Experiment 5B: Thevenin s and Norton s theorems
158
Conclusion
162
6
Capacitors and inductors
163
Objectives
163
6.1
Capacitor
164
6.1.1
The construction of a capacitor
164
6.1.2
Charging a capacitor
165
6.1.3
Energy storage element
166
6.1.4
Discharging a capacitor
166
6.1.5
Capacitance
167
6.1.6
Factors affecting capacitance
169
6.1.7
Leakage current
170
6.1.8
Breakdown voltage
170
6.1.9
Relationship between the current and voltage of
a capacitor
171
6.1.10
Energy stored by a capacitor
173
6.2
Capacitors in series and parallel
174
6.2.1
Capacitors in series
174
6.2.2
Capacitors in parallel
176
6.2.3
Capacitors in series—parallel
178
6.3
inductor
179
6.3.1
Electromagnetism
induction
179
6.3.1.1
Electromagnetic field
179
6.3.1.2
Faraday s law
180
6.3.1.3 Lenz
s
law
181
6.3.2
Inductor
182
6.3.3
Self-inductance
182
6.3.4
Relationship between inductor voltage and current
183
6.3.5
Factors affecting inductance
184
6.3.6
The energy stored by an inductor
185
6.3.7
Winding resistor of an inductor
186
6.4
Inductors in series and parallel
188
6.4.1
Inductors in series
188
6.4.2
Inductors in parallel
188
6.4.3
Inductors in series—parallel
189
Contents ix
Summary
190
Experiment 6:
Capacitors
191
Conclusion
194
7
Transient analysis of circuits
195
Objectives
195
7.1
The transient response
195
7.1.1
The first-order circuit and its transient response
195
7.1.2
Circuit responses
196
7.1.3
The initial condition of the dynamic circuit
198
7.2
The step response of an RC circuit
199
7.2.1
The charging process of an RC circuit
199
7.2.2
Quantity analysis for the charging process of the
RC circuit
20
7.3
The source-free response of the RC circuit
204
7.3.1
The discharging process of the RC circuit
204
7.3.2
Quantity analysis of the RC discharging process
205
7.3.3
RC time constant
τ
208
7.3.4
The RC time constant and charging/discharging
209
7.4
The step response of an RL circuit
211
7.4.1
Energy storing process of the RL circuit
212
7.4.2
Quantitative analysis of the energy storing process
in an
R L
circuit
213
7.5
Source-free response of an RL circuit
215
7.5.1
Energy releasing process of an RL circuit
215
7.5.2
Quantity analysis of the energy release process of
an
R L
circuit
216
7.5.3
RL time constant
r
218
7.5.4
The RL time constant and the energy storing and releasing
219
Summary
220
Experiment
7:
The first-order circuit (RC circuit)
221
Conclusion
225
<S Fundamentals of AC circuits
227
Objectives
227
8.1
Introduction to alternating current (AC)
227
8.1.1
The difference between DC and AC
227
8.1.2
DC and AC waveforms
228
8.1.3
Period and frequency
229
8.1.4
Three important components of a sine function
230
8.1.5
Phase difference of the sine function
232
8.2
Sinusoidal AC quantity
235
8.2.1
Peak and peak-peak value
235
8.2.2
Instantaneous value
236
8.2.3
Average value
236
8.2.4
Root mean square (RMS) value
237
χ
Understandable electric circuits
8.3
Phasors
239
8.3.1
Introduction to phasor notation
239
8.3.2
Complex numbers review
240
8.3.3
Phasor
242
8.3.4
Phasor diagram
243
8.3.5
Rotating factor
244
8.3.6
Differentiation and integration of the phasor
246
8.4
Resistors, inductors and capacitors in sinusoidal AC circuits
248
8.4.1
Resistor s AC response
248
8.4.2
Inductor s AC response
250
8.4.3
Capacitor s AC response
254
Summary
257
Experiment
8:
Measuring DC and AC voltages using the
osciiloscope
260
Conclusion
264
9
Methods of AC circuit analysis
265
Objectives
265
9.1
Impedance and admittance
265
9.1.1
Impedance
265
9.1.2
Admittance
266
9.1.3
Characteristics of the impedance
267
9.1.4
Characteristics of the admittance
269
9.2
Impedance in series and parallel
272
9.2.1
Impedance of series and parallel circuits
272
9.2.2
Voltage divider and current divider rules
273
9.2.3
The phasor forms of KVL and KCL
274
9.3
Power in AC circuits
276
9.3.1
Instantaneous power
ρ
276
9.3.2
Active power
Ρ
(or average power)
279
9.3.3
Reactive power
Q
281
9.3.4
Apparent power
S
282
9.3.5
Power triangle
284
9.3.6
Power factor (PF)
285
9.3.7
Total power
287
9.4
Methods of analysing AC circuits
290
9.4.1
Mesh current analysis
291
9.4.2
Node voltage analysis
292
9.4.3
Superposition theorem
293
9.4.4
Thevenin s and Norton s theorems
296
Summary
299
Experiment
9:
Sinusoidal AC circuits
302
Conclusion
305
Contents xi
10 RLC
circuits
and resonance
307
Objectives
307
10.1
Series resonance
307
10.1.1
Introduction
307
10.1.2
Frequency of series resonance
308
10.1.3
Impedance of series resonance
309
10.1.4
Current of series resonance
309
10.1.5
Phasor diagram of series resonance
310
10.1.6
Response curves of XL>
Xc.
an(l
Z
versus
ƒ 310
10.1.7
Phase response of series resonance
311
10.1.8
Quality factor
312
10.1.9
Voltage of series resonant
313
10.2
Bandwidth and selectivity
315
10.2.1
The bandwidth of series resonance
315
10.2.2
The selectivity of series resonance
316
10.2.3
The quality factor and selectivity
317
10.2.3.1
Series resonance
summaiy 319
10.3
Parallel resonance
319
10.3.1
Introduction
319
10.3.2
Frequency of parallel resonance
320
10.3.3
Admittance of parallel resonance
320
10.3.4
Current of parallel resonance
321
10.3.5
Phasor diagram of parallel resonance
322
10.3.6
Quality factor
322
10.3.7
Current of parallel resonance
323
10.3.8
Bandwidth of parallel resonance
324
10.3.8.1
Parallel resonance summary
324
10.4
The practical parallel resonant circuit
325
10.4.1
Resonant admittance
325
10.4.2
Resonant frequency
326
10.4.3
Applications of the resonance
327
Summary
328
Experiment
10:
Series resonant circuit
329
Conclusion
332
Π
Mutual inductance and transformers
333
Objectives
333
11.1
Mutual inductance
333
1 1.1.1
Mutual inductance and coefficient of coupling
333
11.1.2
Dot convention
335
11.2
Basic transformer
336
11.2.1
Transformer
336
1 1.2.2
Air-core transformer
337
11.2.3
Iron-core transformer
337
11.2.4
Ideal transformer
338
xii
Understandable electric circuits
11.3
Step-up and step-down transformers
340
11.3.1
Step-
up
transformer
340
11.3.2
Step-down transformer
341
11.3.3
Applications of step-up and step-down transformers
342
11.3.4
Other types of transformers
343
11.4
Impedance matching
344
11.4.1
Maximum power transfer
344
11.4.2
Impedance matching
345
Summary
346
Experiment
11 :
Transformer
347
Conclusion
350
12
Circuits with dependent sources
351
Objectives
351
12.1
Dependent sources
352
12.1.1
Dependent (or controlled) sources
352
12.1.2
Equivalent conversion of dependent sources
353
12.2
Analysing circuits with dependent sources
355
Summary
360
Appendix A: Greek alphabet
363
Appendix B: Differentiation of the phasor
364
Bibliography
365
Index
367
|
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| id | DE-604.BV037342679 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T23:22:29Z |
| institution | BVB |
| isbn | 9780863419522 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-022496365 |
| oclc_num | 729981496 |
| open_access_boolean | |
| owner | DE-1050 DE-83 DE-739 |
| owner_facet | DE-1050 DE-83 DE-739 |
| physical | XII, 370 S. Ill., graph. Darst. |
| publishDate | 2010 |
| publishDateSearch | 2010 |
| publishDateSort | 2010 |
| publisher | Inst. of Engineering and Technology |
| record_format | marc |
| series | Circuits, devices and systems series |
| series2 | Circuits, devices and systems series |
| spelling | Wang, Meizhong Verfasser aut Understandable electric circuits Meizhong Wang London Inst. of Engineering and Technology 2010 XII, 370 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Circuits, devices and systems series 23 Elektronische Schaltung (DE-588)4113419-9 gnd rswk-swf Elektronische Schaltung (DE-588)4113419-9 s DE-604 Circuits, devices and systems series 23 (DE-604)BV035311331 23 Digitalisierung UB Passau - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022496365&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wang, Meizhong Understandable electric circuits Circuits, devices and systems series Elektronische Schaltung (DE-588)4113419-9 gnd |
| subject_GND | (DE-588)4113419-9 |
| title | Understandable electric circuits |
| title_auth | Understandable electric circuits |
| title_exact_search | Understandable electric circuits |
| title_full | Understandable electric circuits Meizhong Wang |
| title_fullStr | Understandable electric circuits Meizhong Wang |
| title_full_unstemmed | Understandable electric circuits Meizhong Wang |
| title_short | Understandable electric circuits |
| title_sort | understandable electric circuits |
| topic | Elektronische Schaltung (DE-588)4113419-9 gnd |
| topic_facet | Elektronische Schaltung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022496365&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035311331 |
| work_keys_str_mv | AT wangmeizhong understandableelectriccircuits |